Added debug conditional to caliper debug images
Added debug conditional to caliper debug images

stiphyMT/plantcv,danforthcenter/plantcv,AntonSax/plantcv,AntonSax/plantcv,jshoyer/plantcv,danforthcenter/plantcv,stiphyMT/plantcv,danforthcenter/plantcv,jshoyer/plantcv,stiphyMT/plantcv